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Finding the Fourth Proportional to 10,750.01, 16,121.12 and 3,728.12

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Solution

The fourth proportional to 10,750.01, 16,121.12 and 3,728.12 is: 5,590.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.01 : 16,121.12 = 3,728.12 : x
  2. Step 2: Convert to fraction form
    10,750.01/16,121.12 = 3,728.12/x
  3. Step 3: Cross multiply
    10,750.01x = 16,121.12 × 3,728.12
  4. Step 4: Simplify right side
    10,750.01x = 60,101,370.65
  5. Step 5: Solve for x
    x = 60,101,370.65/10,750.01
  6. Step 6: Final answer
    x = 5,590.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.